KR100224881B1 - 표면광 레이저 - Google Patents
표면광 레이저 Download PDFInfo
- Publication number
- KR100224881B1 KR100224881B1 KR1019960030465A KR19960030465A KR100224881B1 KR 100224881 B1 KR100224881 B1 KR 100224881B1 KR 1019960030465 A KR1019960030465 A KR 1019960030465A KR 19960030465 A KR19960030465 A KR 19960030465A KR 100224881 B1 KR100224881 B1 KR 100224881B1
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- contact surface
- semiconductor material
- stacked
- reflector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18361—Structure of the reflectors, e.g. hybrid mirrors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18308—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/2054—Methods of obtaining the confinement
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (5)
- 기판과;상기 기판 상에 일 반도체형의 반도체물질층과, 산화물질층이 교번 적층되어 형성되며 그 상부에 제1콘택면과 제1적층면을 가지는 제1절연층과, 상기 제1적층면 상에 상기 제1절연층과 같은 반도체형의 두 반도체물질층이 적층 형성된 제1전도층을 구비하는 제1반사기층과;상기 제1콘택면 상에 형성된 제1전극층과;상기 제1전도층 상에 형성되고 레이저 광을 생성하는 활성층과;상기 활성층 상에 상기 제1반사기층과 다른 반도체형의 두 반도체물질층이 교번 적층되어 형성되고 그 상부에 제2콘택면과 제2적층면을 가지는 제2전도층과, 상기 제2적층면 상에 상기 제2전도층과 같은 반도체형의 반도체물질층과 산화물질층이 적층 형성된 제2절연층을 구비하는 제2반사기층과;상기 제2콘택면 상에 형성된 제2전극층;을 포함한 표면광 레이저에 있어서,상기 제1콘택면과 상기 제1전극층 사이 및/또는 상기 제2콘택면과 상기 제2전극층 사이에 형성되어, 결정결함의 보완 및 산화를 방지하는 버퍼층과;상기 버퍼층 상에 형성되어, 상기 제1전극층 및/또는 제2전극층을 통해 주입된 전류를 확산시키는 캡층;을 더 포함하는 것을 특징으로 하는 표면광 레이저.
- 제1항에 있어서,상기 캡층은 대략 ∼10^19/cm3이상의 도핑레벨로 도핑된 것을 특징으로 하는 표면광 레이저.
- 제1항 또는 제2항에 있어서,상기 활성층의 중앙부를 제외한 일부 영역과, 상기 제1 및 제2전도층의 상기 활성층과 마주하는 일부 영역에 이온주입 또는 양성자 주입에 의해 형성된 전류제한층을 더 포함하는 것을 특징으로 하는 표면광 레이저.
- 제1항 또는 제2항에 있어서,상기 제1절연층은 상호 교번 적층된 반도체물질층과 산화물질층으로 Al_x Ga_1-x As와 Al_2 O_3를 각각 포함하고,상기 제1전도층은 상호 교번 적층된 두 반도체물질층으로 Al_x Ga_1-x As와 Al As를 각각 포함하는 것을 특징으로 하는 표면광 레이저.
- 제1항 또는 제2항에 있어서,상기 제2전도층은 상호 교번 적층된 두 반도체물질층으로 Al_x Ga_1-x As와 Al As를 각각 포함하고,상기 제2절연층은 상호 교번 적층된 반도체물질층과 산화물질층으로 Al_x Ga_1-x As와 Al_2 O_3를 각각 포함하는 것을 특징으로 하는 표면광 레이저.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960030465A KR100224881B1 (ko) | 1996-07-25 | 1996-07-25 | 표면광 레이저 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960030465A KR100224881B1 (ko) | 1996-07-25 | 1996-07-25 | 표면광 레이저 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR980012737A KR980012737A (ko) | 1998-04-30 |
KR100224881B1 true KR100224881B1 (ko) | 1999-10-15 |
Family
ID=19467561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960030465A Expired - Fee Related KR100224881B1 (ko) | 1996-07-25 | 1996-07-25 | 표면광 레이저 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100224881B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2021157431A1 (ko) * | 2020-02-07 | 2021-08-12 |
-
1996
- 1996-07-25 KR KR1019960030465A patent/KR100224881B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR980012737A (ko) | 1998-04-30 |
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